The human brain has the capacity to store everything that you experience.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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Your thumb is about the same size as your nose.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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The average person's skin weighs twice as much as their brain.
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The human body contains over a billion miles of DNA.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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It takes about 20 seconds for a red blood cell to circle the whole body.
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